Fixed test execution for libavg installed using mac installer dmg.
Fixed test execution for libavg installed using mac installer dmg.

svn path=/trunk/libavg/; revision=5975

hoodie/libavg,scotty007/libavg,yyd01245/libavg,libavg/libavg,hoodie/libavg,scotty007/libavg,hoodie/libavg,libavg/libavg,libavg/libavg,th3infinity/libavg,hoodie/libavg,th3infinity/libavg,yyd01245/libavg,libavg/libavg,scotty007/libavg,th3infinity/libavg,th3infinity/libavg,scotty007/libavg,yyd01245/libavg,yyd01245/libavg